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Tada Testing

Current Coverage (v0.2.0)

133 tests passing (7 logger tests failing - pre-existing issue):

  • utils/categoryDefaults.test.ts (22 tests) - Category/emoji resolution
  • utils/columnDetection.test.ts (20 tests) - CSV column auto-detection
  • utils/logger.test.ts (10 tests) - Client-side logging
  • composables/useErrorTracker.test.ts (26 tests) - Error tracking composable
  • server/utils/logger.test.ts (13 tests, 7 failing) - Server-side logging
  • server/utils/password.test.ts (14 tests) - Password hashing/verification
  • server/utils/csvParser.test.ts (20 tests) - CSV parsing, date/duration detection
  • server/api/health.get.test.ts (1 test) - Health check endpoint

Integration tests (v0.4.0 planned):

Integration tests for auth and import endpoints will be rewritten with @nuxt/test-utils/e2e as part of v0.4.0. Current integration tests:

  • tests/api/entries.integration.test.ts - Entry CRUD with @nuxt/test-utils/e2e
  • tests/integration/entry-engine.test.ts - Entry engine validation parity

Coverage tool blocked: @vitest/coverage-v8 requires node:inspector which Bun doesn't implement yet.

Running Tests

cd app
bun run test              # Run all tests (133 passing)
bun run test --watch      # Watch mode

Writing Tests

Unit Tests (co-located)

Test pure functions with no external dependencies:

// utils/myUtil.test.ts
import { describe, it, expect } from "vitest";
import { myFunction } from "./myUtil";

describe("myFunction", () => {
  it("should handle normal input", () => {
    expect(myFunction("input")).toBe("output");
  });

  it("should handle edge cases", () => {
    expect(myFunction(null)).toBe("default");
    expect(myFunction("")).toBe("default");
  });
});

Integration Tests (tests/api/)

Test API endpoints via HTTP (requires @nuxt/test-utils/e2e setup):

// tests/api/entries.test.ts
import { setup, $fetch } from "@nuxt/test-utils/e2e";

await setup({ server: true });

it("should create entry", async () => {
  const response = await $fetch("/api/entries", {
    method: "POST",
    body: { type: "tada", title: "Test" },
    headers: { Cookie: authCookie },
  });

  expect(response.id).toBeDefined();
});

Test Principles

  1. Test behavior, not implementation
  2. One assertion per test (when practical)
  3. Descriptive test names - it("should X when Y")
  4. Test edge cases - null, empty, invalid input
  5. Clean up test data in afterEach

Next Steps

  1. Fix e2e environment for integration tests
  2. Add auth endpoint tests
  3. Add entry CRUD integration tests
  4. Add E2E tests for critical workflows